Water absorbing and urine stable step-wise grafted starch-polyac

Details Water absorbing and urine stable step-wise grafted starch-polyac Water absorbing and urine stable step-wise grafted starch-polyac

1976-06-21

1978-01-17

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

47DIG10, 128284, 128285, 128290R, 128296, 260 174ST, C08L 302

Patent

active

040691772

ABSTRACT:
Alkali metal carboxylate salts of starch-polyacrylonitrile graft copolymers produced by saponifying a starch-polyacrylonitrile graft copolymer are improved significantly by employment of step-wise grafting of the acrylonitrile, and by employment of starch which has been treated by one or more of the following steps, thinning, defatting, precooking.

REFERENCES:
patent: 3997484 (1976-12-01), Weaver et al.
Chem. Absts. 66 (1967): 4050w; Fanta, "Graft Copolymers of Starch."

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